/* 首页-导航css */
.nav {
    display: flex;
    width: 1226px;
    height: 420px;
    margin: 8px auto 8px;
}

.nav:hover {
    box-shadow: 10px 10px 20px 10px rgba(0, 0, 0, .3);
}

.nav>.nav-left {
    width: 230px;
    height: 420px;
    background-color: #b0b0b0;
}

.nav>.nav-right {
    background-image: url("../images/index/matebook-fold.jpg");
    background-position: center top;
    background-size: 996px 420px;
    background-repeat: no-repeat;
    width: 996px;
    height: 420px;
}

.nav .nav-left a {
    display: inline-block;
    font-family: Microsoft YaHei;
    font-size: 14px;
    height: 42px;
    width: 200px;
    line-height: 42px;
    background-color: rgba(37, 31, 31, 0.6);
    text-decoration: none;
    color: #fff;
    padding-left: 30px;
}

.nav .nav-left a:hover {
    background-color: #ff6700;
}